EP1279909B1 - Adsorption heat pump - Google Patents

Adsorption heat pump Download PDF

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Publication number
EP1279909B1
EP1279909B1 EP02016163A EP02016163A EP1279909B1 EP 1279909 B1 EP1279909 B1 EP 1279909B1 EP 02016163 A EP02016163 A EP 02016163A EP 02016163 A EP02016163 A EP 02016163A EP 1279909 B1 EP1279909 B1 EP 1279909B1
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EP
European Patent Office
Prior art keywords
heat exchanger
waste gas
heat
burner
primary
Prior art date
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EP02016163A
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German (de)
French (fr)
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EP1279909A3 (en
EP1279909A2 (en
Inventor
Johann-Ludwig Heim
Thomas Dr. Hocker
Rainer Dr. Lang
Frank Marth
Uwe Marx
Ralph Prescha
Johann Wienen
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Vaillant GmbH
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Vaillant GmbH
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Priority claimed from AT0128401A external-priority patent/AT411099B/en
Application filed by Vaillant GmbH filed Critical Vaillant GmbH
Priority to AT02016163T priority Critical patent/ATE404831T1/en
Publication of EP1279909A2 publication Critical patent/EP1279909A2/en
Publication of EP1279909A3 publication Critical patent/EP1279909A3/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B17/00—Sorption machines, plants or systems, operating intermittently, e.g. absorption or adsorption type
    • F25B17/08—Sorption machines, plants or systems, operating intermittently, e.g. absorption or adsorption type the absorbent or adsorbent being a solid, e.g. salt
    • F25B17/086—Sorption machines, plants or systems, operating intermittently, e.g. absorption or adsorption type the absorbent or adsorbent being a solid, e.g. salt with two or more boiler-sorber/evaporator units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00—Heat pumps
    • F25B30/04—Heat pumps of the sorption type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/62—Absorption based systems

Definitions

  • the present invention relates to an adsorption heat pump.
  • DE 100 38 636 and DE 100 38 637 known adsorption heat pumps have a primary circuit in which a burner heated by a primary heat exchanger, at least one desorber zeolite module, a Auskoppeluza (2004), a pump and at least one adsorber zeolite module are connected in a ring in series.
  • the desorber zeolite modules are part of a secondary circuit in which they are in series with a pump and a consumer heat exchanger.
  • the adsorber zeolite module or modules are part of an environmental heat cycle in which they are in series with a pump and an environmental heat exchanger.
  • a consumer circuit is in series with a consumer, here a heating system and / or a water heater, a pump, the consumer heat exchanger and the Auskoppeluza (2004).
  • a consumer here a heating system and / or a water heater, a pump, the consumer heat exchanger and the Auskoppeluza (2004).
  • To the burner leads a Zu Kunststoffweg and a gas line, away from the primary heat exchanger, an exhaust pipe.
  • the DE 33 04 014 A1 deals inter alia with the regulation of environmental heat cycles.
  • From the DE 36 01 046 A1 and DE 297 10 273 U1 is known that in conventional heaters Heat from the exhaust gas can be transmitted to the fresh air of the burner of the heater.
  • the heat can be transferred to a supply air line to the burner.
  • a heat transfer to the supply air of the burner is energetically sensible, especially at low air temperatures and can be realized very easily, for example by a coaxial fresh air exhaust pipe.
  • the exhaust gas is usually performed in an inner tube, while in a surrounding pipe, the fresh air is passed in countercurrent.
  • the transfer to the environmental heat cycle is advantageous if the environmental heat source is so cold that no environmental heat can be introduced into the circulation.
  • condensation enthalpy can be used in addition to the energy from the cooling of the exhaust gas.
  • FIG. 1 The embodiment that is in FIG. 1 is shown, and described in the corresponding parts of the specification, is not within the scope of the claims.
  • An adsorption heat pump 1 has a primary circuit 2, a secondary circuit 3 and an environmental heat circuit 4, all of which are thermally connected via a desorber zeolite module 5 and an adsorber zeolite module 6.
  • the primary circuit 2 comprises in series a primary heat exchanger 7, the desorber zeolite module 5, a decoupling heat exchanger 8, a pump 9, the adsorber zeolite module 6.
  • the secondary circuit 3 has in series with one another a consumer heat exchanger 10, a pump 11 and the desorber zeolite module 5.
  • the adsorbent zeolite module 6 is in series with a pump 12 and an environmental heat exchanger 13th
  • a consumer consisting of a heating system with various radiators 15 and a purpose connected via a switching valve 16 parallel hot water tank 17, connected via a pump 18 to the consumer heat exchanger 10 and the Auskoppelumbleleyer 8 in series.
  • the primary heat exchanger 7 is heated by a gas burner 19, which is fed by a natural gas line 20 and an air line 22 provided with a fan 21. Downstream of the primary heat exchanger 7 is an exhaust pipe 23, which leads to an exhaust gas outlet 25 with the interposition of an exhaust gas heat exchanger 24. It is essential that the exhaust gas heat exchanger 24 is turned on in the consumer circuit 14, downstream of the Auskoppeluza (2004) 8. This makes sense if the available in the exhaust pipe 23 heat of the exhaust stream is higher in temperature than the temperature of the consumer circuit downstream the decoupling heat exchanger. 8
  • the exhaust gas heat exchanger 24 is laid, it is still unchanged in the exhaust path, but is turned on in the air line 22, so warms the air supplied to the burner. This makes sense if the temperature of the exhaust gas in the exhaust pipe 23 is so low that it can no longer heat the consumer circuit downstream of the Auskoppelskatechnikers 8 appreciably.
  • FIG. 3 This is useful when the temperature of the exhaust gas in the exhaust pipe 23 is lower than the temperature of the consumer circuit flow of the Auskoppelebenleyers 8 - otherwise an embodiment according to Fig. 1 is more useful - and higher than the temperature of the environmental heat cycle downstream of the environmental heat exchanger 13 is.
  • the following means are provided:
  • the environmental heat source is associated with a temperature sensor 29, which is also connected via a line 30 to the controller 28.
  • Further temperature sensors, which are connected to the controller 28, in the exhaust pipe 23 of the burner 19 in front of the exhaust gas heat exchanger 24 and the environmental heat cycle 4 also in front of the exhaust gas heat exchanger 24 are possible and at the same time useful.
  • a second possibility provides, via a line 33 to an engine 34 of a Umstellklappe 35, which is located in the exhaust pipe 23 upstream of the exhaust gas heat exchanger 24, intervene.
  • the temperature level guided by the temperature sensor 29 is equal to or lower than that of the temperature sensor 26, no heat can be introduced into the environmental heat cycle 4 by the environmental heat source. In this case, however, heat can be introduced from the exhaust gas of the burner 19 via the exhaust gas heat exchanger 24 in the environmental heat cycle 4.
  • the controller 34 of the Umstellklappe 35 is set by the controller 28 so that bypassing the exhaust gas heat exchanger 24, the exhaust gas passes directly into the parallel port 37. Then, to exploit the remaining exhaust gas energy, an exhaust gas heat exchanger 24 according to the embodiments of the Fig. 1 and 2 be switched.
  • the exhaust gas is passed downstream of the primary heat exchanger 7 in a gas-gas counter-stationary heat exchanger.
  • the gas-gas counter-current heat exchanger fresh air is led into rooms to be heated.
  • an air heater is realized. This is useful if the outside temperature is lower than the room temperature. This way, especially in the winter, a lot of exhaust enthalpy can be recovered.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Sorption Type Refrigeration Machines (AREA)
  • Gloves (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Air Supply (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)

Abstract

The device has a primary heat exchanger heated by a burner, heat exchangers connected as an absorber and a desorber and an output coupling heat exchanger in a primary circuit with a pump and connected into a load circuit. An exhaust gas heat exchanger connected to the load circuit, an environment heat circuit , an air feed line to the burner and/or a room air heater is connected after the primary heat exchanger in a burner exhaust gas line. The device has a primary heat exchanger (7) heated by a burner (19), at least two heat exchangers connected as an absorber (5) and a desorber (6) and an output coupling heat exchanger (8) that are all parts of a primary circuit (2) with a pump (9), whereby the output coupling heat exchanger is connected into a load circuit (14). An exhaust gas heat exchanger (24), which is connected to the load circuit, an environment heat circuit (4), an air feed line (22) to the burner and/or a room air heater, is connected after the primary heat exchanger in an exhaust gas line (23) from the burner.

Description

Die vorliegende Erfindung bezieht sich auf eine Adsorptionswärmepumpe.The present invention relates to an adsorption heat pump.

Aus der DE 100 24 729 , DE 100 38 636 und DE 100 38 637 bekannte Adsorptionswärmepumpen besitzen einen Primärkreislauf, in dem ein von einem Brenner beheizter Primärwärmetauscher, mindestens ein Desorber-Zeolith-Modul, ein Auskoppelwärmetauscher, eine Pumpe und mindestens ein Adsorber-Zeolith-Modul in einem Ring in Serie geschaltet sind. Das oder die Desorber-Zeolith-Module sind Teil eines Sekundärkreislaufs, in dem sie mit einer Pumpe und einem Verbraucherwärmetauscher in Serie liegen. Das oder die Adsorber-Zeolith-Module sind Teil eines Umweltwärmekreislaufs, in dem sie zusammen mit einer Pumpe und einem Umweltwärmetauscher in Serie liegen. Ein Verbraucherkreislauf ist mit einem Verbraucher, hier einer Heizungsanlage und/oder einem Brauchwasserspeicher, einer Pumpe, dem Verbraucherwärmetauscher und dem Auskoppelwärmetauscher in Serie liegend. Zum Brenner führt ein Zuluftweg und eine Gasleitung, vom Primärwärmetauscher weg eine Abgasleitung. Aus der EP 1 108 964 A2 ist bekannt, dass in der Abgasleitung Kondensationswärmetauscher zur Übertragung von Energie auf den Umweltwärmekreislauf oder den Verbraucherkreislauf möglich sind. Die DE 33 04 014 A1 befaßt sich unter anderem mit der Regelung von Umweltwärmekreistäufen. Aus der DE 36 01 046 A1 und DE 297 10 273 U1 ist bekannt, dass bei konventionellen Heizgeräten Wärme vom Abgas auf die Frischluft des Brenners des Heizgerätes übertragen werden kann.From the DE 100 24 729 . DE 100 38 636 and DE 100 38 637 known adsorption heat pumps have a primary circuit in which a burner heated by a primary heat exchanger, at least one desorber zeolite module, a Auskoppelwärmetauscher, a pump and at least one adsorber zeolite module are connected in a ring in series. The desorber zeolite modules are part of a secondary circuit in which they are in series with a pump and a consumer heat exchanger. The adsorber zeolite module or modules are part of an environmental heat cycle in which they are in series with a pump and an environmental heat exchanger. A consumer circuit is in series with a consumer, here a heating system and / or a water heater, a pump, the consumer heat exchanger and the Auskoppelwärmetauscher. To the burner leads a Zuluftweg and a gas line, away from the primary heat exchanger, an exhaust pipe. From the EP 1 108 964 A2 It is known that in the exhaust pipe condensation heat exchanger for the transmission of energy to the environmental heat cycle or the consumer cycle are possible. The DE 33 04 014 A1 deals inter alia with the regulation of environmental heat cycles. From the DE 36 01 046 A1 and DE 297 10 273 U1 is known that in conventional heaters Heat from the exhaust gas can be transmitted to the fresh air of the burner of the heater.

Beim Betrieb solcher Wärmepumpen hat sich herausgestellt, daß die Abgase des Brenners nach Verlassen des Primärwärmetauschers noch ungenutzte Wärme enthalten, so dass der vorliegenden Erfindung die Aufgabe zugrunde liegt, den Wärmeinhalt der den Primärwärmetauscher verlassenden Abgase weiter auszunutzen.In the operation of such heat pumps has been found that the exhaust gases of the burner after leaving the primary heat exchanger still contain unused heat, so that the present invention, the object is based on further exploiting the heat content of the exiting the primary heat exchanger exhaust gases.

Die Lösung dieser Aufgabe erfolgt alternativ gemäß den kennzeichnenden Merkmalen von Anspruch 1.The solution of this object is alternatively according to the characterizing features of claim 1.

Je nach dem Temperaturniveau, auf dem die Abgase, die Zuluft zum Brenner oder die Umweltwärme sich befinden, erfolgt die Einkoppelung dieser Abgasrestwärme in die vom Temperaturniveau her geeignetste Stelle.Depending on the temperature level at which the exhaust gases, the supply air to the burner or the ambient heat are located, the coupling of this residual heat of exhaust gas is carried out in the most suitable temperature level ago point.

Gemäß Anspruch 1 kann die Wärme auf eine Zuluftleitung zum Brenner übertragen werden. Eine Wärmeübertragung auf die Zuluft des Brenners ist vor allem bei niedrigen Lufttemperaturen energetisch sinnvoll und kann beispielsweise durch ein koaxiales Frischluft-Abgas-Rohr sehr einfach realisiert werden. Bei einem koaxialen Frischluft-Abgas-Rohr wird üblicherweise in einem inneren Rohr das Abgas geführt, während in einem umgebenden Rohr die Frischluft im Gegenstrom geführt wird.According to claim 1, the heat can be transferred to a supply air line to the burner. A heat transfer to the supply air of the burner is energetically sensible, especially at low air temperatures and can be realized very easily, for example by a coaxial fresh air exhaust pipe. In a coaxial fresh air exhaust pipe, the exhaust gas is usually performed in an inner tube, while in a surrounding pipe, the fresh air is passed in countercurrent.

Die Übertragung auf den Umweltwärmekreislauf ist dann vorteilhaft, wenn die Umweltwärmequelle derartig kalt ist, dass keine Umweltwärme in den Kreislauf eingebracht werden kann.The transfer to the environmental heat cycle is advantageous if the environmental heat source is so cold that no environmental heat can be introduced into the circulation.

Gemäß den zusätzlichen Markmalen des Anspruchs 2 kann zusätzlich zur Energie aus der Abkühlung des Abgases auch Kondensationsenthalpie genutzt werden.According to the additional Markmalen of claim 2, condensation enthalpy can be used in addition to the energy from the cooling of the exhaust gas.

Gemäß den Merkmalen des Anspruchs 3 werden vor allem bei niedrigen Lufttemperaturen Abgasverluste wirkungsvoll minimiert.According to the features of claim 3, exhaust gas losses are effectively minimized, especially at low air temperatures.

Das Ausführungsbeispiel, das in Figur 1 gezeigt ist, und in den entsprechenden Teilen des Beschreibung beschrieben ist, fällt nicht unter den Schutzbereich der Ansprüche.The embodiment that is in FIG. 1 is shown, and described in the corresponding parts of the specification, is not within the scope of the claims.

Drei Ausführungsbeispiele der Erfindung werden nachfolgend anhand der Figuren 2 und 3 der Zeichnung näher erläutert, die ein Prinzipschaltbild einer Adsorptionswärmepumpe zeigt.Three embodiments of the invention are described below with reference to the Figures 2 and 3 of the drawing, which shows a schematic diagram of an adsorption heat pump.

In allen drei Figuren bedeuten gleiche Bezugszeichen jeweils die gleichen Einzelheiten.In all three figures, the same reference numerals mean the same details.

Eine Adsorptionswärmepumpe 1 gemäß Figur 1 weist einen Primärkreislauf 2, einen Sekundärkreislauf 3 und einen Umweltwärmekreislauf 4 auf, die allesamt über ein Desorber-Zeolith-Modul 5 und ein Adsorber-Zeolith-Modul 6 thermisch in Verbindung stehen. Der Primärkreislauf 2 weist in Serie miteinanderliegend einen Primärwärmetauscher 7, das Desorber-Zeolith-Modul 5, einen Auskoppelwärmetauscher 8, eine Pumpe 9, das Adsorber-Zeolith-Modul 6 auf. Der Sekundärkreislauf 3 weist in Serie miteinanderliegend einen Verbraucherwärmetauscher 10, eine Pumpe 11 und das Desorber-Zeolith-Modul 5 auf. Im Umweltwärmekreislauf 4 liegt das Adsorber-Zeolith-Modul 6 in Serie mit einer Pumpe 12 und einem Umweltwärmetauscher 13.An adsorption heat pump 1 according to FIG. 1 has a primary circuit 2, a secondary circuit 3 and an environmental heat circuit 4, all of which are thermally connected via a desorber zeolite module 5 and an adsorber zeolite module 6. The primary circuit 2 comprises in series a primary heat exchanger 7, the desorber zeolite module 5, a decoupling heat exchanger 8, a pump 9, the adsorber zeolite module 6. The secondary circuit 3 has in series with one another a consumer heat exchanger 10, a pump 11 and the desorber zeolite module 5. In the environmental heat cycle 4, the adsorbent zeolite module 6 is in series with a pump 12 and an environmental heat exchanger 13th

In einem Verbraucherkreislauf 14 ist ein Verbraucher, bestehend aus einer Heizungsanlage mit diversen Heizkörpern 15 und einem hierzu über ein Umschaltventil 16 parallel geschalteten Brauchwasserspeicher 17, über eine Pumpe 18 mit dem Verbraucherwärmetauscher 10 und dem Auskoppelwärmetauscher 8 in Serie geschaltet.In a consumer circuit 14, a consumer, consisting of a heating system with various radiators 15 and a purpose connected via a switching valve 16 parallel hot water tank 17, connected via a pump 18 to the consumer heat exchanger 10 and the Auskoppelwärmetauscher 8 in series.

Der Primärwärmetauscher 7 ist von einem Gasbrenner 19 beheizt, der von einer Erdgasleitung 20 und einer mit einem Gebläse 21 versehenen Luftleitung 22 gespeist ist. Dem Primärwärmetauscher 7 nachgeschaltet ist eine Abgasleitung 23, die unter Zwischenschaltung eines Abgaswärmetauschers 24 zu einem Abgasauslaß 25 führt. Wesentlich ist, daß der Abgaswärmetauscher 24 in den Verbraucherkreislauf 14 eingeschaltet ist, und zwar stromab des Auskoppelwärmetauschers 8. Dies ist dann sinnvoll, wenn die in der Abgasleitung 23 zur Verfügung stehende Wärme des Abgasstroms in ihrer Temperatur höher ist, als die Temperatur des Verbraucherkreislaufstroms stromab des Abkoppelwärmetauscher 8.The primary heat exchanger 7 is heated by a gas burner 19, which is fed by a natural gas line 20 and an air line 22 provided with a fan 21. Downstream of the primary heat exchanger 7 is an exhaust pipe 23, which leads to an exhaust gas outlet 25 with the interposition of an exhaust gas heat exchanger 24. It is essential that the exhaust gas heat exchanger 24 is turned on in the consumer circuit 14, downstream of the Auskoppelwärmetauschers 8. This makes sense if the available in the exhaust pipe 23 heat of the exhaust stream is higher in temperature than the temperature of the consumer circuit downstream the decoupling heat exchanger. 8

Beim Ausführungsbeispiel der Figur 2 ist der Abgaswärmetauscher 24 verlegt, er liegt zwar nach wie vor im Abgasweg unverändert, ist aber in die Luftleitung 22 eingeschaltet, wärmt also die dem Brenner zugeführte Luft vor. Das ist dann sinnvoll, wenn die Temperatur des Abgases in der Abgasleitung 23 so gering ist, daß sie den Verbraucherkreislauf stromab des Auskoppelwärmetauschers 8 nicht mehr nennenswert aufheizen kann.In the embodiment of FIG. 2 the exhaust gas heat exchanger 24 is laid, it is still unchanged in the exhaust path, but is turned on in the air line 22, so warms the air supplied to the burner. This makes sense if the temperature of the exhaust gas in the exhaust pipe 23 is so low that it can no longer heat the consumer circuit downstream of the Auskoppelwärmetauschers 8 appreciably.

Beim Ausführungsbeispiel gemäß Figur 3 liegt der Abgaswärmetauscher im Umweltwärmekreislauf 4, und zwar zwischen Umweltwärmetauscher 13 und Adsorber-Zeolith-Modul 6. Dies ist dann sinnvoll, wenn die Temperatur des Abgases in der Abgasleitung 23 niedriger ist als die Temperatur des Verbraucherkreislaufstromes des Auskoppelwärmetauschers 8 - da ansonsten eine Ausführungsform gemäß Fig. 1 sinnvoller ist - und höher als die Temperatur des Umweltwärmekreislaufs stromab des Umweltwärmetauschers 13 ist.According to the embodiment FIG. 3 This is useful when the temperature of the exhaust gas in the exhaust pipe 23 is lower than the temperature of the consumer circuit flow of the Auskoppelwärmetauschers 8 - otherwise an embodiment according to Fig. 1 is more useful - and higher than the temperature of the environmental heat cycle downstream of the environmental heat exchanger 13 is.

Damit nicht das Temperaturniveau im Umweltwärmekreislauf durch den Abgaswärmetauscher 24 soweit angehoben wird, daß keine Wärme mehr über den Umweltwärmetauscher 13 in den Umweltwärmekreislauf 4 eingekoppelt werden kann, sind folgende Mittel vorgesehen: In der ersten Alternative ist dem Umweltwärmekreislauf 4 stromab des Verdampfers 36 im Adsorber-Zeolith-Modul 6 ein Temperaturfühler 26 angeordnet, der über eine Leitung 27 auf einen Regler 28 geschaltet ist. Weiterhin ist der Umweltwärmequelle ein Temperaturfühler 29 zugeordnet, der über eine Leitung 30 gleichfalls auf den Regler 28 geschaltet ist. Weitere Temperatursensoren, die mit dem Regler 28 verbunden werden, in der Abgasleitung 23 des Brenners 19 vor dem Abgaswärmetauscher 24 und im Umweltwärmekreislauf 4 ebenfalls vor dem Abgaswärmetauscher 24 sind möglich und zugleich sinnvoll.So that the temperature level in the environmental heat cycle through the exhaust gas heat exchanger 24 is not raised so far that no more heat can be coupled via the environmental heat exchanger 13 in the environmental heat cycle 4, the following means are provided: In the first alternative, the environmental heat cycle 4 downstream of the evaporator 36 in Adsorber- Zeolite module 6, a temperature sensor 26 is arranged, which is connected via a line 27 to a controller 28. Furthermore, the environmental heat source is associated with a temperature sensor 29, which is also connected via a line 30 to the controller 28. Further temperature sensors, which are connected to the controller 28, in the exhaust pipe 23 of the burner 19 in front of the exhaust gas heat exchanger 24 and the environmental heat cycle 4 also in front of the exhaust gas heat exchanger 24 are possible and at the same time useful.

Es besteht nun die Möglichkeit, an zwei Stellen per Stellglieder in den Umweltwärmekreislauf 4 einzugreifen. Ein Weg ist über eine Leitung 31 auf einen Antriebsmotor 32 der Pumpe 12 gegeben. Durch die Variation des Volumenstroms wird das Temperaturniveau beeinflußt. So kann bei hoher Umwelttemperatur und hohem Volumenstrom die Temperatur des Umweltwärmekreislauf 4 stromab des Umweltwärmetauschers 13 derartig niedrig gehalten werden, dass auch im Abgaswärmetauscher 24 noch Wärme auf den Umweltwärmekreislauf 4 übertragen werden kann.It is now possible to intervene in two places by actuators in the environmental heat cycle 4. A path is given via a line 31 to a drive motor 32 of the pump 12. By varying the volume flow, the temperature level is influenced. Thus, at high environmental temperature and high volume flow, the temperature of the environmental heat cycle 4 downstream of the environmental heat exchanger 13 are kept so low that even in the exhaust gas heat exchanger 24 heat can still be transferred to the environmental heat cycle 4.

Eine zweite Möglichkeit sieht vor, über eine Leitung 33 auf einen Motor 34 einer Umstellklappe 35, die in der Abgasleitung 23 stromauf des Abgaswärmetauschers 24 liegt, einzugreifen. Liegt das vom Temperaturfühler 29 geführte Temperaturniveau gleich oder niedriger als das vom Temperaturfühler 26 gefühlte, so kann von der Umweltwärmequelle keine Wärme in den Umweltwärmekreislauf 4 eingebracht werden. In diesem Fall kann jedoch Wärme aus dem Abgas des Brenners 19 über den Abgaswärmetauscher 24 in den Umweltwärmekreislauf 4 eingebracht werden. Ist jedoch die Temperatur des Abgases niedriger als die Temperatur der Sole im Umweltwärmekreislauf 4 vor dem Abgaswärmetauscher 24, so wird vom Regler 28 der Motor 34 der Umstellklappe 35 so gestellt, daß unter Umgehung des Abgaswärmetauschers 24 das Abgas direkt in den Parallelstutzen 37 gelangt. Dann kann zur Ausnutzung der restlichen Abgasenergie ein Abgaswärmetauscher 24 gemäß den Ausführungsbeispielen nach den Fig. 1 und 2 geschaltet sein.A second possibility provides, via a line 33 to an engine 34 of a Umstellklappe 35, which is located in the exhaust pipe 23 upstream of the exhaust gas heat exchanger 24, intervene. If the temperature level guided by the temperature sensor 29 is equal to or lower than that of the temperature sensor 26, no heat can be introduced into the environmental heat cycle 4 by the environmental heat source. In this case, however, heat can be introduced from the exhaust gas of the burner 19 via the exhaust gas heat exchanger 24 in the environmental heat cycle 4. However, if the temperature of the exhaust gas is lower than the temperature of the brine in the environmental heat cycle 4 before Exhaust heat exchanger 24, the controller 34 of the Umstellklappe 35 is set by the controller 28 so that bypassing the exhaust gas heat exchanger 24, the exhaust gas passes directly into the parallel port 37. Then, to exploit the remaining exhaust gas energy, an exhaust gas heat exchanger 24 according to the embodiments of the Fig. 1 and 2 be switched.

Nicht dargestellt ist eine weitere Form der Ausnutzung der Restwärme des Abgases des Brenners 19. In diesem Fall wird das Abgas stromab des Primärwärmetauschers 7 in einen Gas-Gas-Gegenstomwärmetauscher geleitet. Auf der anderen Seite des Gas-Gas-Gegenstomwärmetauscher wird Frischluft in zu beheizende Räume geleitet. Hierdurch wird eine Luftheizung realisiert. Dies ist dann sinnvoll, wenn die Außentemperatur niedriger als die Raumtemperatur ist. So kann im Winter besonders viel Abgasenthalpie zurück gewonnen werden.Not shown is another form of utilization of the residual heat of the exhaust gas of the burner 19. In this case, the exhaust gas is passed downstream of the primary heat exchanger 7 in a gas-gas counter-stationary heat exchanger. On the other side of the gas-gas counter-current heat exchanger, fresh air is led into rooms to be heated. As a result, an air heater is realized. This is useful if the outside temperature is lower than the room temperature. This way, especially in the winter, a lot of exhaust enthalpy can be recovered.

Claims (3)

  1. An adsorption heat pump (1) with a primary heat exchanger (7) heated by a burner (19), at least two heat exchangers switched as an adsorber (5) and desorber (6), respectively, and a decoupling heat exchanger (8), all of which plus a pump (9) being arranged in a primary circuit (2), with the decoupling heat exchanger (8) being arranged in a consumer circuit (14), characterised in that the primary heat exchanger (7) is arranged downstream of a waste gas heat exchanger (24) which latter is a gas/gas counter current heat exchanger using waste gas enthalpy for heating the fresh air of an air heating arrangement and being connected with a air supply line (22) to the burner (19), and/or which is connected with an ambient heat circuit (4) in which it is series connected with, and provided upstream of, the evaporator (36) in the adsorber module (6), in which case the adsorption heat pump (1) is provided with a controller (28) and a temperature sensor (29) associated with an ambient heat source (13), with the controller (28) acting as an actuator and, dependent on the temperature of the temperature sensor (29), controlling an electric motor (32) of a pump (12) arranged in the ambient heat circuit (4), or provision is made in the waste gas line (23) of a changeover flap (35) whose outlets on the one hand lead to the waste gas heat exchanger (24) and on the other hand to the parallel outlet (37) bypassing such waste gas heat exchanger (24), with the controller (28) acting as an actuator on an electric motor (34) for the changeover flap, with the waste gas heat exchanger (24) being connected in series with, and arranged downstream of, the primary heat exchanger (7) in a waste gas line (23) of the burner (19).
  2. An adsorption heat pump (1) as claimed in Claim 1 characterised in that the waste gas heat exchanger (24) is a condensation heat exchanger.
  3. An adsorption heat pump (1) as claimed in Claim 1 or Claim 2 characterised in that the waste gas downstream of the primary heat exchanger (7) and the air supplied to the burner (19) are at least for a certain length conducted in a coaxial fresh air/waste gas pipe.
EP02016163A 2001-07-25 2002-07-20 Adsorption heat pump Expired - Lifetime EP1279909B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT02016163T ATE404831T1 (en) 2001-07-25 2002-07-20 ADSORPTION HEAT PUMP

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE10136894 2001-07-25
DE10136894 2001-07-25
DE10137729 2001-08-01
DE10137729 2001-08-01
AT12842001 2001-08-16
AT0128401A AT411099B (en) 2001-08-16 2001-08-16 Absorption heat pump has exhaust gas heat exchanger connected to load circuit, heat circuit, air feed to burner and/or air heater and after primary heat exchanger in burner exhaust gas line

Publications (3)

Publication Number Publication Date
EP1279909A2 EP1279909A2 (en) 2003-01-29
EP1279909A3 EP1279909A3 (en) 2003-10-15
EP1279909B1 true EP1279909B1 (en) 2008-08-13

Family

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Application Number Title Priority Date Filing Date
EP02016163A Expired - Lifetime EP1279909B1 (en) 2001-07-25 2002-07-20 Adsorption heat pump

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EP (1) EP1279909B1 (en)
AT (1) ATE404831T1 (en)
DE (2) DE10234496A1 (en)
DK (1) DK1279909T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014113450A1 (en) * 2014-09-18 2016-03-24 Karlsruher Institut für Technologie Adsorptive heat transformation arrangement

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3304014A1 (en) * 1983-02-07 1984-08-09 Siemens AG, 1000 Berlin und 8000 München Apparatus for using exhaust gas as an additional heat source for fuel-heated sorption heat pumps
AT383415B (en) * 1985-02-04 1987-07-10 Vaillant Gmbh WATER HEATER
AT404508B (en) * 1996-06-11 1998-12-28 Vaillant Gmbh HEATER
DE10024729B4 (en) 1999-05-21 2016-12-22 Vaillant Gmbh sorption heat pump
EP1074799A3 (en) 1999-08-06 2001-12-05 Joh. Vaillant GmbH u. Co. Adsorption heat pump
DE10038637A1 (en) 1999-08-06 2001-02-15 Vaillant Joh Gmbh & Co Adsorbtion heat pump for building heating or hot water has switching devices for cyclic operation of adsorbers and desorbers of all modules and for cyclic operation of condesers and evaporators
AT408913B (en) * 1999-12-13 2002-04-25 Vaillant Gmbh adsorption

Also Published As

Publication number Publication date
ATE404831T1 (en) 2008-08-15
DE50212625D1 (en) 2008-09-25
DK1279909T3 (en) 2008-12-08
EP1279909A3 (en) 2003-10-15
EP1279909A2 (en) 2003-01-29
DE10234496A1 (en) 2003-02-06

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